Sam J. Bates was active/lived in United States. Sam Bates is known for illustrator-magazine.
Biography Sam Bates
An illustrator, Sam Bates was associated with Charles E Cooper Studios. Some of his work appeared in "Saturday Evening Post."
Note from Don Hildebrand of Sisters, Oregon
Sam Bates is also listed as providing cover art for Dell paperbacks in the 1950's. See Dell #954 and #963 for example.
From Official Price Guide Paperbacks, first ed 1991 by Jon Warren, published by House of Collectibles, New York.